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In this paper, an extended nonlinear chirp scaling (ENLCS) algorithm for focusing synthetic aperture radar data acquired at high resolution and highly squint angle is proposed. The whole processing of the ENLCS consists of the following three steps. First, a linear range walk correction is used to remove the linear component of target range cell migration (RCM) and to mitigate the range–azimuth coupling...
Based on the analysis of the defects that the traditional construction projects management mode existed, puts forwards the proposition of three-dimensional structure of construction projects integrated management system, and on this basis, builds up the construction projects Life-Cycle Integrated Management System framework of under three-dimensional structure, establishes the new system model of...
To meet the requirements of the outdoor radar target scattering measurement, a 2-channeI instrumentation radar based on pulse-to-pulse frequency shifting technique was designed and realized. The radar can perform radar-cross section (RCS) measurement simultaneously on two fixed frequency band, and test 2-dimension imaging cooperated with a rotation platform. The pulse-to-pulse frequency shifting technique...
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